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| Product | Description | |
|---|---|---|
| [(5Z)-5-benzylidene-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]acetic acid | An impurity of Epalrestat. Epalrestat is an aldose reductase inhibitor with IC50 of 72 nM. Synonyms: (5-Benzylidene-4-oxo-2-thioxo-thiazolidin-3-yl)-acetic acid; (Z)-2-(5-benzylidene-4-oxo-2-thioxothiazolidin-3-yl)acetic acid; Epalrestat Impurity 1. Grade: ≥95%. CAS No. 82159-06-6. Molecular formula: C12H9NO3S2. Mole weight: 279.33. |  |
| [6(1S)]-1,2:4,5-Di-O-cyclohexylidene-3-O-(phenylmethyl)-D-myo-Inositol 4,7,7-Trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylate | [6(1S)]-1,2:4,5-Di-O-cyclohexylidene-3-O-(phenylmethyl)-D-myo-Inositol 4,7,7-Trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylate is an intermediate in the synthesis of phosphonate derivatives of myo-inositol for biochemical studies use of inositol-binding proteins. Synonyms: D-myo-Inositol, 1,2:4,5-di-O-cyclohexylidene-3-O-(phenylmethyl)-, 4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylate, [6(1S)]-. CAS No. 111828-85-4. Molecular formula: C35H46O9. Mole weight: 610.73. | |
| (6α,11β)-11,21-Dihydroxy-6-methyl-pregna-1,4-diene-3,20-dione | (6α,11β)-11,21-Dihydroxy-6-methyl-pregna-1,4-diene-3,20-dione is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: Pregna-1,4-diene-3,20-dione, 11,21-dihydroxy-6-methyl-, (6α,11β)-; Methylprednisolone impurity 23. Grade: ≥95%. CAS No. 103744-18-9. Molecular formula: C22H30O4. Mole weight: 358.47. | |
| (6α,11β,16α)-21-(Acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-pregna-1,4-diene-3,20-dione | (6α,11β,16α)-21-(Acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-pregna-1,4-diene-3,20-dione is an intermediate of Flunisolide, which is a corticosteroid related to Prednisolone commonly used to treat allergic rhinitis. Synonyms: 9Alpha-Bromo Flunisolide-21-Acetate; Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-bromo-6-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, (6α,11β,16α)-; 9α-Bromo Flunisolide-21-Acetate; Pregna-1,4-diene-3,20-dione, 9-bromo-6α-fluoro-11β,16α,17,21-tetrahydroxy-, cyclic 16,17-acetal with acetone, 21-acetate; 2-((2S,6aS,6bR,7S,8aS,8bS,11aR,12aS,12bS)-6b-Bromo-2-fluoro-7-hydroxy-6a,8a,10,10-tetramethyl-4-oxo-1,2,4,6a,6b,7,8,8a,11a,12,12a,12b-dodecahydro-8bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)-2-oxoethyl acetate. Grade: ≥95%. CAS No. 4991-55-3. Molecular formula: C26H32BrFO7. Mole weight: 555.43. | |
| (6α,11β,16α)-6-Fluoro-11,21,21-trihydroxy-16,17-[(1-methylethylidene)bis(oxy)]pregna-1,4-diene-3,20-dione | An impurity of Flunisolide. Flunisolide is a corticosteroid used primarily for its anti-inflammatory properties, particularly in the treatment of respiratory conditions such as asthma and allergic rhinitis. It is administered via inhalation and works by reducing inflammation in the airways. Synonyms: Pregna-1,4-diene-3,20-dione, 6-fluoro-11,21,21-trihydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, (6α,11β,16α)-; 21-Dehydro Flunisolide Hydrate; 6α-Fluoro-11β,21,21-trihydroxy-16α,17α-(isopropylidenedioxy)pregna-1,4-diene-3,20-dione; 21-Hydroxy Flunisolide. Grade: ≥95%. Molecular formula: C24H31FO7. Mole weight: 450.50. | |
| (6α,11β)-17,21-Bis(acetyloxy)-6,9-difluoro-11-hydroxy-pregna-1,4-diene-3,20-dione | (6α,11β)-17,21-Bis(acetyloxy)-6,9-difluoro-11-hydroxy-pregna-1,4-diene-3,20-dione is an impurity of Prednisolone, which is a synthetic glucocorticoid, a derivative of cortisol, and can be used to treat a variety of inflammatory and auto-immune conditions. Synonyms: 6α,9-Difluoro-11β,17,21-trihydroxy-pregna-1,4-diene-3,20-dione 17,21-Diacetate; [17-(2-acetyloxyacetyl)-6,9-difluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl] acetate. CAS No. 23641-05-6. Molecular formula: C25H30F2O7. Mole weight: 480.50. | |
| (6α,11β,17α)-11,17-Dihydroxy-6-methyl-3-oxoandrosta-1,4-diene-17-carboxylic Acid | (6α,11β,17α)-11,17-Dihydroxy-6-methyl-3-oxoandrosta-1,4-diene-17-carboxylic Acid is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: Methylprednisolone Impurity 4; (6α,11β,14ξ,17α)-11,17-Dihydroxy-6-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid; Androsta-1,4-diene-17-carboxylic acid, 11,17-dihydroxy-6-methyl-3-oxo-, (6α,11β,14ξ,17α)-. Grade: 98%. CAS No. 167997-11-7. Molecular formula: C21H28O5. Mole weight: 360.44. | |
| (6α,11β)-6,9-Difluoro-11,21-dihydroxy-pregna-1,4-diene-3,20-dione | (6α,11β)-6,9-Difluoro-11,21-dihydroxy-pregna-1,4-diene-3,20-dione is an intermediate in the synthesis of 17α,21-Dideoxy-6α,9α-Difluoroprednisolone, an impurity of the drug Difluprednate. Difluprednate is used for the treatment of post-operative ocular inflammation and pain. Synonyms: (6S,8S,9R,10S,11S,13S,14S,17S)-6,9-difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,11,12,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3-one; Pregna-1,4-diene-3,20-dione, 6,9-difluoro-11,21-dihydroxy-, (6α,11β)-. CAS No. 2353-16-4. Molecular formula: C21H26F2O4. Mole weight: 380.42. | |
| (6α)-21-(Acetyloxy)-17-hydroxy-6-methylpregna-1,4,9(11)-triene-3,20-dione | (6α)-21-(Acetyloxy)-17-hydroxy-6-methylpregna-1,4,9(11)-triene-3,20-dione is an intermediate in the synthesis of 6α-methylprednisolone 21-acetate. Synonyms: 17,21-Dihydroxy-6α-methyl-pregna-1,4,9(11)-triene-3,20-dione 21-Acetate; NSC 86007; 21-Acetoxy-17alpha-hydroxy-6alpha-methylpregna-1,4,9-(11)-triene-3,20-dione; [2-[(6S,8S,10R,13S,14S,17R)-17-hydroxy-6,10,13-trimethyl-3-oxo-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate; Pregna-1,4,9(11)-triene-3,20-dione, 21-(acetyloxy)-17-hydroxy-6-methyl-, (6α)-. Grade: ≥95%. CAS No. 93239-37-3. Molecular formula: C24H30O5. Mole weight: 398.49. | |
| (6α,9β,11β,16α)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-17-hydroxy-16-methylpregna-1,4-diene-3,20-dione | (6α,9β,11β,16α)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-17-hydroxy-16-methylpregna-1,4-diene-3,20-dione is a derivative of Desoxymetasone which is an anti-inflammatory agent. Synonyms: 9,11β-Epoxy-6α-fluoro-17,21-dihydroxy-16α-methyl-9β-pregna-1,4-diene-3,20-dione 21-Acetate; 9,11-Epoxy-9H-cyclopenta[a]phenanthrene, Pregna-1,4-diene-3,20-dione deriv.; (6α,9β,11β,16α)-6-Fluoro-17-hydroxy-16-methyl-3,20-dioxo-9,11-epoxypregna-1,4-dien-21-yl acetate; Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9,11-epoxy-6-fluoro-17-hydroxy-16-methyl-, (6α,9β,11β,16α)-. Grade: ≥95%. CAS No. 4571-51-1. Molecular formula: C24H29FO6. Mole weight: 432.48. | |
| (6aR,6bS,7S,8aS,8bR,11aS,12aS,12bS)-7,10-Dihydroxy-6a,8a-dimethyl-6b,7,8,8a,8b,10,11a,12,12a,12b-decahydro-1H-naphtho[2',1':4,5]indeno[2,1-b]furan-4,9(2H,6aH)-dione | (6aR,6bS,7S,8aS,8bR,11aS,12aS,12bS)-7,10-Dihydroxy-6a,8a-dimethyl-6b,7,8,8a,8b,10,11a,12,12a,12b-decahydro-1H-naphtho[2',1':4,5]indeno[2,1-b]furan-4,9(2H,6aH)-dione is an impurity of Prednisolone, which is a synthetic glucocorticoid, a derivative of cortisol, and can be used to treat a variety of inflammatory and auto-immune conditions. Molecular formula: C21H26O5. Mole weight: 358.43. | |
| (6-Benzhydryloxycarbonylamino-purin-9-yl)-acetic acid | (6-Benzhydryloxycarbonylamino-purin-9-yl)-acetic acid. Synonyms: 6-[[(Diphenylmethoxy)carbonyl]amino]-9H-purine-9-acetic acid; N6-Benzhydryloxycarbonyladenin-9-yl acetic acid; 2-(6-(((Benzhydryloxy)carbonyl)amino)-9H-purin-9-yl)acetic acid; [6-N-(Benzhydryloxycarbonyl)-adenine-9-yl]-acetic acid; 2-(6-{[(Diphenylmethoxy)carbonyl]amino}-9H-purin-9-yl)acetic acid. Grade: 95%. CAS No. 186046-80-0. Molecular formula: C21H17N5O4. Mole weight: 403.39. | |
| (6β,11α)-11-Hydroxy-6-methyl-17,20:20,21-bis[methylenebis(oxy)]-pregn-4-en-3-one | (6β,11α)-11-Hydroxy-6-methyl-17,20:20,21-bis[methylenebis(oxy)]-pregn-4-en-3-one is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Molecular formula: C24H34O6. Mole weight: 418.52. | |
| (6bR,10aS)-Ethyl 3-methyl-2,3,6b,7,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(9H)-carboxylate | An impurity of Lumateperone, which is a highly potent 5HT2A antagonist for the treatment of sleep maintenance insomnia. Synonyms: ethyl (6bR,10aS)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylate; Lumateperone Impurity 4. Grade: >96%. CAS No. 313369-26-5. Molecular formula: C17H23N3O2. Mole weight: 301.39. | |
| ?6-Fulvestrant | ?6-Fulvestrant is an impurity of Fulvestrant, which is a drug for breast cancer. Synonyms: 7-[9-[(4,4,5,5,5-Pentafluoropentyl)sulfinyl]nonyl]estra-1,3,5(10),6-tetraene-3,17β-diol; ?6,7-Fulvestrant; Fulvestrant EP Impurity E. CAS No. 2170200-14-1. Molecular formula: C32H45F5O3S. Mole weight: 604.75. | |
| (6R,10S)-9,10-Dihydro-6H-6,10-methanoazepino[4,5-g]quinoxaline-8(7H)-carboxylic acid | An impurity of Varenicline. Varenicline is a partial agonist of nicotinic receptor used for smoking cessation. It reduces both the desire for and the pleasure of cigarettes. Synonyms: 6,10-Methano-8H-pyrazino[2,3-h][3]benzazepine-8-carboxylic acid, (6R,10S)-6,7,9,10-tetrahydro-; (6R,10S)-6,7,9,10-Tetrahydro-6,10-methano-8H-pyrazino[2,3-h][3]benzazepine-8-carboxylic acid. Molecular formula: C14H13N3O2. Mole weight: 255.28. | |
| [[(6R,7R)-2-[[(4-Methoxyphenyl)methoxy]carbonyl]-8-oxo-7-[(2-thienylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]triphenyl-phosphonium Iodide | [[(6R,7R)-2-[[(4-Methoxyphenyl)methoxy]carbonyl]-8-oxo-7-[(2-thienylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]triphenyl-phosphonium Iodide is used in the synthesis of Nitrocefin, which is a chromogenic cephalosporin substrate routinely used to detect the presence of beta-lactamase enzymes produced by various microbes. Synonyms: Phosphonium, [[(6R,7R)-2-[[(4-methoxyphenyl)methoxy]carbonyl]-8-oxo-7-[[2-(2-thienyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]triphenyl-, iodide (1:1); Phosphonium, [[(6R,7R)-2-[[(4-methoxyphenyl)methoxy]carbonyl]-8-oxo-7-[(2-thienylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]triphenyl-, iodide. Grade: 98%. CAS No. 828919-19-3. Molecular formula: C40H36IN2O5PS2. Mole weight: 846.73. | |
| (6R,7R)-3-(Acetyloxymethyl)-7-[[2-(2-amino-1,3-thiazol-4-yl)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid | An impurity of Cefotiam, a broad spectrum antibiotic against Gram positive and Gram negative bacteria. Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-7-[[(2-amino-4-thiazolyl)acetyl]amino]-8-oxo-, (6R,7R)-; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-7-[[(2-amino-4-thiazolyl)acetyl]amino]-8-oxo-, (6R-trans)-; RU 23345; RU 7-23345; (6R-trans)-3-(Acetoxymethyl)-7-[(2-aminothiazol-4-yl)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; 3-Deacetylation cefotiam; (6R,7R)-3-(Acetoxymethyl)-7-(2-(2-aminothiazol-4-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Grade: 95%. CAS No. 58233-18-4. Molecular formula: C15H16N4O6S2. Mole weight: 412.44. | |
| (6R,7R)-7-(4-Hydroxyisoxazole-3-carboxamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid tert-Butyl Ester | (6R,7R)-7-(4-Hydroxyisoxazole-3-carboxamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid tert-Butyl Ester is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C17H19N3O6S. Mole weight: 393.41. | |
| (6R,7R)-7-Amino-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenylmethyl ester hydrochloride | (6R,7R)-7-Amino-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenylmethyl ester hydrochloride is an intermediate used to prepare Cefixime, which is a semi-synthetic third-generation oral cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-3-ethenyl-8-oxo-, diphenylmethyl ester, hydrochloride (1:1), (6R,7R)-; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-3-ethenyl-8-oxo-, diphenylmethyl ester, monohydrochloride, (6R,7R)-; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-3-ethenyl-8-oxo-, diphenylmethyl ester, monohydrochloride, (6R-trans)-; (6R,7R)-7-Amino-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Diphenylmethyl Ester Monohydrochloride; (6R-trans)-7-Amino-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Diphenylmethyl Ester Monohydrochloride; (6R,7R)-Benzhydryl 7-amino-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride. Grade: ≥95%. CAS No. 79349-67-0. Molecular formula: C22H20N2O3S.HCl. Mole weight: 428.93. | |
| (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)thio) methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide | Ceftriaxone Sodium Impurity. Ceftriaxone Sodium is an antibiotic, a third-generation cephalosporin. It has broad-spectrum activity against Gram-positive bacteria and expanded Gram-negative coverage. Synonyms: Ceftriaxone Sodium Impurity 10. CAS No. 97466-28-9. Molecular formula: C18H18N8O8S3. Mole weight: 570.57. | |
| (6R)-Hydroxy (R,S)-Palonosetron | (6R)-Hydroxy (R,S)-Palonosetron is a metabolite of Palonosetron, which is a 5-HT3 antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV). Synonyms: [3aR-[2(S*),3aα,6α]]-2-(1-azabicyclo[2.2.2]oct-3-yl)-2,3,3a,4,5,6-hexahydro-6-hydroxy-1H-Benz[de]isoquinolin-1-one; Palonosetron Impurity 46; 1H-Benz[de]isoquinolin-1-one, 2-[(3S)-1-azabicyclo[2.2.2]oct-3-yl]-2,3,3a,4,5,6-hexahydro-6-hydroxy-, (3aR,6R)-. Grade: ≥95%. CAS No. 175873-26-4. Molecular formula: C19H24N2O2. Mole weight: 312.41. | |
| (6R)-Hydroxy (S,S)-Palonosetron | (6R)-Hydroxy (S,S)-Palonosetron is a metabolite of Palonosetron, which is a 5-HT3 antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV). Synonyms: [3aS-[2(S*),3aα,6α]]-2-(1-azabicyclo[2.2.2]oct-3-yl)-2,3,3a,4,5,6-hexahydro-6-hydroxy-1H-Benz[de]isoquinolin-1-one; 1H-Benz[de]isoquinolin-1-one, 2-[(3S)-1-azabicyclo[2.2.2]oct-3-yl]-2,3,3a,4,5,6-hexahydro-6-hydroxy-, (3aS,6R)-; (3aS,6R)-2-[(3S)-1-Azabicyclo[2.2.2]oct-3-yl]-6-hydroxy-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinolin-1-one. Grade: ≥95%. CAS No. 176019-33-3. Molecular formula: C19H24N2O2. Mole weight: 312.41. | |
| (6R)-Tetrahydro-L-biopterin-15N3,13C Triflate | As the isotope labelled analog of (6R)-Tetrahydro-L-biopterin, (6R)-Tetrahydro-L-biopterin-15N3,13C Triflate is a natural cofactor for phenylalanine hydroxylase, tyrosine hydroxylase, tryptophan hydroxylase, and nitric oxide synthase. Also it's an essential cofactor for the production of neurotransmitters such as catecholamines, serotonin, and nitric oxide. It increases BH4 levels boosts sensivity to pain. Synonyms: (6R)-2-Amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydro-4(1H)-pteridinone-15N3,13C Triflate; (6R)-5,6,7,8-Tetrahydro-biopterin-15N3,13C Triflate; Sapropterin-15N3,13C Triflate. Molecular formula: C9[13C]H16F3N2[15N]3O6S. Mole weight: 395.3. | |
| (6R-trans)-7-[[[3-(2-Aminoethoxy)phenyl]acetyl]amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid TFA salt | An impurity of Cefazolin, an antibiotic used for the treatment of bacterial infections. Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[[3-(2-aminoethoxy)phenyl]acetyl]amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-, (6R-trans)-, mono(trifluoroacetate); Acetic acid, trifluoro-, compd. with (6R-trans)-7-[[[3-(2-aminoethoxy)phenyl]acetyl]amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (1:1); Trifluoroacetic acid compd. with (6R-trans)-7-[[[3-(2-aminoethoxy)phenyl]acetyl]amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Grade: >95%. CAS No. 42059-11-0. Molecular formula: C23H24F3N5O7S3. Mole weight: 635.66. | |
| (6S)-6-[(1E)-2-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]ethenyl]-5,6-dihydro-2H-pyran-2-one | (6S)-6-[(1E)-2-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]ethenyl]-5,6-dihydro-2H-pyran-2-one is an impurity in the production of Pitavastatin, which is a potent HMG-CoA reductase inhibitor for hypercholesterolemia (elevated cholesterol) and prevention of cardiovascular disease. Synonyms: (S)-6-{(E)-2-[2-Cyclopropyl-4-(4-fluoro-phenyl)-quinolin-3-yl]-vinyl}-5,6-dihydro-pyran-2-one; Pitavastatin Impurity 29; (S,E)-6-(2-(2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl)vinyl)-5,6-dihydro-2H-pyran-2-one; 2H-Pyran-2-one, 6-((1E)-2-(2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl)ethenyl)-5,6-dihydro-, (6S)-; 2H-Pyran-2-one, 6-(2-(2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl)ethenyl)-5,6-dihydro-, (S-(E))-. Grade: ≥95%. CAS No. 148516-15-8. Molecular formula: C25H20FNO2. Mole weight: 385.43. | |
| (6S-?cis)?-3-?[[(aminocarbonyl)?oxy]?methyl]?-?7-?methoxy-?8-?oxo-?7-?[(2-?thienylacetyl)?amino]?-?5-?Thia-?1-?azabicyclo[4.2.0]?oct-?2-?ene-?2-?carboxylic acid | (6S-cis)?-3-[[(aminocarbonyl)?oxy]?methyl]?-7-methoxy-8-oxo-7-[(2-thienylacetyl)?amino]?-5-Thia-1-azabicyclo[4.2.0]?oct-2-ene-2-carboxylic acid is a highly potent antibiotic extensively utilized in studying a diverse range of bacterial infections. Its profound bactericidal effects arise from a distinctive mechanism of action, primarily centered on the inhibition of bacterial cell wall synthesis, thereby ensuring the annihilation of microbial organisms. Synonyms: (6S,7S)-3-(carbamoyloxymethyl)-7-methoxy-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS No. 56082-95-2. Molecular formula: C16H17N3O7S2. Mole weight: 427.446. | |
| (6S)-Hydroxy (R,S)-Palonosetron | (6S)-Hydroxy (R,S)-Palonosetron is a metabolite of Palonosetron, which is a 5-HT3 antagonist used in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV). Synonyms: (3aR,6S)-2-(3S)-1-Azabicyclo[2.2.2]oct-3-yl-2,3,3a,4,5,6-hexahydro-6-hydroxy-1H-benz[de]isoquinolin-1-one; (3aR,6S)-6-hydroxy-2-((S)-quinuclidin-3-yl)-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinolin-1-one; 1H-Benz[de]isoquinolin-1-one, 2-[(3S)-1-azabicyclo[2.2.2]oct-3-yl]-2,3,3a,4,5,6-hexahydro-6-hydroxy-, (3aR,6S)-. Molecular formula: C19H24N2O2. Mole weight: 312.41. | |
| (6S)-Hydroxy Simvastatin | A derivative of Simvastatin. Simvastatin is a lipid-lowering drug that inhibits HMG-CoA reductase. It is in the statin class of medications and works by decreasing the manufacture of cholesterol by the liver. Synonyms: 2,2-Dimethylbutanoic Acid [1S-[1α,6α,7β,8β(2S*,4S*),8aβ]]-1,2,6,7,8,8a -Hexahydro-6-hydroxy-3,7-dimethyl)-8-[2-(tetrahydro -4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1-naphthalenyl Ester; 3'(S)-Hydroxy Simvastatin. Grade: > 95%. CAS No. 133645-46-2. Molecular formula: C25H38O6. Mole weight: 434.58. | |
| (6S)-Hydroxy (S,S)-Palonosetron | An impurity of Palonosetron which is used for preventing nausea and vomiting caused by cancer chemotherapy. Synonyms: (3aS,6S)-2-(3S)-1-Azabicyclo[2.2.2]oct-3-yl-2,3,3a,4,5,6-hexahydro-6-hydroxy-1H-benz[de]isoquinolin-1-one. Grade: > 95%. CAS No. 848074-08-8. Molecular formula: C19H24N2O2. Mole weight: 312.42. | |
| (6S)-Tetrahydro-L-biopterin | (6S)-Tetrahydro-L-biopterin is an impurity of Sapropterin, which is a phenylalanine hydroxylase activator, a breast cancer resistance protein inhibitor, and a P-glycoprotein inhibitor. Synonyms: 4(3H)-Pteridinone, 2-amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydro-, (6S)-; (6S)-2-Amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydro-4(3H)-pteridinone; 4(1H)-Pteridinone, 2-amino-6-(1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-, [6S-[6R*(1S*,2R*)]]-; 4(1H)-Pteridinone, 2-amino-6-[(1R,2S)-1,2-dihydroxypropyl]-5,6,7,8-tetrahydro-, (6S)-; (6S)-L-erythro-Tetrahydrobiopterin; (6S)-Tetrahydrobiopterin; 6S-L-erythro-5,6,7,8-Tetrahydrobiopterin. Grade: ≥95%. CAS No. 62961-57-3. Molecular formula: C9H15N5O3. Mole weight: 241.25. | |
| (6S)-Tetrahydro-L-biopterin sulfate salt | (6S)-Tetrahydro-L-biopterin sulfate salt is an impurity of Sapropterin, which is a phenylalanine hydroxylase activator, a breast cancer resistance protein inhibitor, and a P-glycoprotein inhibitor. Synonyms: 4(1H)-Pteridinone, 2-amino-6-(1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-, [6S-[6R*(1S*,2R*)]]-, sulfate (1:1) (salt); (S)-2-Amino-6-((1R,2S)-1,2-dihydroxypropyl)-5,6,7,8-tetrahydropteridin-4(1H)-one sulfate (1:1); (6S)-5,6,7,8-Tetrahydro-L-erythro-biopterin sulfate; [6S-[6R*(1S*,2R*)]]-2-Amino-6-(1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-4(1H)-pteridinone sulfate (1:1) (salt); (6S)-Tetrahydro-L-biopterin sulfate salt. Grade: ≥95%. CAS No. 103130-45-6. Molecular formula: C9H15N5O3.H2O4S. Mole weight: 339.33. | |
| (7-10)-Icatibant | (7-10)-Icatibant is an impurity of Icatibant, which is a selective and specific antagonist of bradykinin B2 receptor. Synonyms: L-seryl-D-1,2,3,4-tetrahydroisoquinolyl-3-Carbonyl-L-octahydroindole-2-carboxamido-L-arginine; H-Ser-D-Tic-Oic-Arg-OH; L-Arginine, L-seryl-D-1,2,3,4-tetrahydro-3-isoquinolinecarbonyl-L-(2α,3aβ,7aβ)-octahydro-1H-indole-2-carbonyl-; ((2S,3aS,7aS)-1-((R)-2-(L-seryl)-1,2,3,4-tetrahydroisoquinoline-3-carbonyl)octahydro-1H-indole-2-carbonyl)-L-arginine. CAS No. 148416-85-7. Molecular formula: C28H41N7O6. Mole weight: 571.68. | |
| (7α,11α,17α)-11,17-Dihydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic acid γ-lactone | An impurity of Eplerenone. Eplerenone is a potassium-sparing diuretic that selectively blocks aldosterone activation of the mineralcorticoid receptor, demonstrating little activity towards other steroid receptors. Synonyms: Pregn-4-ene-7,21-dicarboxylic acid, 11,17-dihydroxy-3-oxo-, γ-lactone, (7α,11α,17α)-; (7R,8S,9S,10R,11R,13S,14S,17R)-11-Hydroxy-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylic acid; Eplerenone Impurity 19. Grade: ≥95%. CAS No. 209253-72-5. Molecular formula: C23H30O6. Mole weight: 402.49. | |
| (7α,17α)-17-Hydroxy-3-oxopregna-4,11-diene-7,21-dicarboxylic 21,17-lactone 7-methyl ester | An impurity of Eplerenone. Eplerenone is a potassium-sparing diuretic that selectively blocks aldosterone activation of the mineralcorticoid receptor, demonstrating little activity towards other steroid receptors. Synonyms: Pregna-4,11-diene-7,21-dicarboxylic acid, 17-hydroxy-3-oxo-, 21,17-lactone, 7-methyl ester, (7α,17α)-; Pregna-4,11-diene-7,21-dicarboxylic acid, 17-hydroxy-3-oxo-, γ-lactone, methyl ester, (7α,17α)-; 7-Methyl hydrogen 17α-hydroxy-3-oxopregna-4,11-diene-7α,21-dicarboxylate, γ-lactone; Eplerenone Impurity 7. Grade: ≥95%. CAS No. 192704-70-4. Molecular formula: C24H30O5. Mole weight: 398.49. | |
| (7α,17β)-17-Hydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]estr-4-en-3-one | (7α,17β)-17-Hydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]estr-4-en-3-one is an impurity of Fulvestrant, which is a selective estrogen receptor degrader (SERD) used to treat hormone receptor (HR)-positive metastatic breast cancer in postmenopausal women. Synonyms: Estr-4-en-3-one, 17-hydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]-, (7α,17β)-; 17-Hydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]-(7α,17β) estr-4-en-3-one. CAS No. 1334316-46-9. Molecular formula: C32H49F5O3S. Mole weight: 608.78. | |
| (7α)-6'-Hydroxymethyl simvastatin | (7α)-6'-Hydroxymethyl simvastatin is a metabolite of Simvastatin, which is a competitive inhibitor of HMG-CoA reductase. Synonyms: Butanoic acid, 2,2-dimethyl-, 1,2,3,7,8,8a-hexahydro-3-(hydroxymethyl)-7-methyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1-naphthalenyl ester, [1S-[1α,3α,7α,8β(2S*,4S*),8aβ]]-; (1S,3R,7R,8S,8aR)-8-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-3-(hydroxymethyl)-7-methyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate. Grade: 95%. CAS No. 128241-03-2. Molecular formula: C25H38O6. Mole weight: 434.57. | |
| (7E,9E)-β-Ionylidene Acetaldehyde | (7E,9E)-β-Ionylidene Acetaldehyde is a remarkable and highly potent compound, aiding in the research against a multitude of diseases like cancer, neurodegenerative disorders and cardiovascular conditions. Uses: Intermediate in the preparation of retinoic acid derivatives. Synonyms: (2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal; (E,E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal; (7E,9E)-β-Ionylideneacetaldehyde. Grade: ≥95%. CAS No. 3917-41-7. Molecular formula: C15H22O. Mole weight: 218.33. | |
| (7E,9Z)-β-Ionylidene Acetaldehyde | (7E,9Z)-β-Ionylidene Acetaldehyde is a chemical compound frequently employed in the biomedical field exhibiting promising medicinal attributes for studying diverse ailments including cancer and inflammation. Uses: Intermediate in the preparation of retinoic acid derivatives. Synonyms: (2Z,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal; (Z,E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal; (7E,9Z)-β-Ionylideneacetaldehyde. Grade: ≥95%. CAS No. 54226-17-4. Molecular formula: C15H22O. Mole weight: 218.33. | |
| (7R)-3-Bromo-2,5-dimethoxybicyclo[4.2.0]octa-1,3,5-triene-7-methanamine | (7R)-3-Bromo-2,5-dimethoxybicyclo[4.2.0]octa-1,3,5-triene-7-methanamine is the base form of (R)-TCB2, which is the R-type enantiomer of TCB2. TCB-2 is a high-affinity 5-HT2A receptor agonist that stimulates IP3 accumulation in NIH3T3 cells stably expressing rat 5-HT2A receptors. Synonyms: Bicyclo[4.2.0]octa-1,3,5-triene-7-methanamine, 3-bromo-2,5-dimethoxy-, (7R)-; [(7R)-3-Bromo-2,5-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl]methanamine; ((R)-4-bromo-3,6-dimethoxybenzocyclobuten-1-yl)methylamine. Grade: ≥95%. CAS No. 912440-88-1. Molecular formula: C11H14BrNO2. Mole weight: 272.14. | |
| (7R,8S,9S)-Trihydroxy-10S(N2-deoxyguanosyl-3'-phosphate)-7,8,9,10-tetrahydrobenzo[a]pyrene Triethylamine | A metabolite of the environmental carcinogen benzo(a)pyrene, which is a benzopyrene-DNA adduct formed during subchronic dietary exposure to carcinogen benzo(a)pyrene (BaP). Synonyms: [7R-(7α,8β,9α,10α)]-2'-Deoxy-N-(7,8,9,10-tetrahydro-7,8,9-trihydroxybenzo[a]pyren-10-yl)-3'-guanylic Acid. Molecular formula: C36H43N6O10P. Mole weight: 750.73. | |
| (7S)-7-Amino-5,7-dihydro-5-methyl-6H-dibenz[b,d]azepin-6-one | An impurity of Oxcarbazepine, which is an anticonvulsant and mood stabilizing therapeutic for neuropathic pain, epilepsy, and affective disorders. Uses: A major component of γ-secretase inhibitors. Synonyms: (S)-7-Amino-5-methyl-5,7-dihydro-6H-dibenzo[b,d]azepin-6-one; 6H-Dibenz[b,d]azepin-6-one, 7-amino-5,7-dihydro-5-methyl-, (7S)-. Grade: ≥95%. CAS No. 365242-16-6. Molecular formula: C15H14N2O. Mole weight: 238.28. | |
| ?8(14),9(11)-Dexamethasone | ?8(14),9(11)-Dexamethasone is an impurity of Desoxymetasone which is an anti-inflammatory agent. Synonyms: (16α)-8(14),9(11)-Didehydro-17,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione. Molecular formula: C22H26O4. Mole weight: 354.44. | |
| (8alpha,9R)-Cinchonan-6',9-diol | A metabolite of Quinine.Quinine is a common medication that can be used to treat malaria and babesiosis. Synonyms: 4-[(R)-[(2S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-hydroxymethyl]-6-quinolinol; 4-[(R)-[(2S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-hydroxymethyl]quinolin-6-ol. Grade: > 95 %. CAS No. 524-63-0. Molecular formula: C19H22N2O2. Mole weight: 310.39. | |
| (8aS)-3-hydroxyhexahydropyrrolo[1,2-a]pyrazine-1,4-dione | (8aS)-3-hydroxyhexahydropyrrolo[1,2-a]pyrazine-1,4-dione is an impurity of Vildagliptin. It is an oral anti-hyperglycemic agent (anti-diabetic drug) of the dipeptidyl peptidase-4 (DPP-4) inhibitor class of drugs. Synonyms: Vildagliptin Impurity 17 (Mixture of Diastereomers). CAS No. 1846606-32-3. Molecular formula: C7H10N2O3. Mole weight: 170.17. | |
| (8aS)-8a-Bromoalbomitomycin A | (8aS)-8a-Bromoalbomitomycin A is an intermediate of Mitomycin A. Synonyms: [1S-(1α,2α,4β,5β,6α,6aα,10aS*,11R*)]-6-[[(Aminocarbonyl)oxy]methyl]-6a-bromo-2,3,6,6a-tetrahydro-5,8-dimethoxy-9-methyl-1,2,5-metheno-1H,5H-imidazo[2,1-i]indole-7,10-dione; [(1R,3S,4R,7R,8S,9S)-9-Bromo-7,11-dimethoxy-12-methyl-10,13-dioxo-2,6-diazapentacyclo[7.4.0.01,6.02,4.03,7]tridec-11-en-8-yl]methyl carbamate; 1,2,5-Metheno-1H,5H-imidazo[2,1-i]indole-7,10-dione, 6-[[(aminocarbonyl)oxy]methyl]-6a-bromo-2,3,6,6a-tetrahydro-5,8-dimethoxy-9-methyl-, (2R,5R,6S,6aS,10aR,11S)-. Grade: ≥90%. CAS No. 132830-44-5. Molecular formula: C16H18BrN3O6. Mole weight: 428.23. | |
| (8-Ethoxycarbonyloctyl)-2,3,4,6-tetra-O-acetyl-b-D-galactopyranoside | (8-Ethoxycarbonyloctyl)-2,3,4,6-tetra-O-acetyl-b-D-galactopyranoside, a chemical compound of paramount significance in glycobiology, has gained immense popularity due to its efficacy in glycoprotein research. Known for its high specificity and precision, this derivative of beta-galactosidase has paved the way for significant advancements in the field by serving as a powerful tool for the detection and modification of glycoproteins. Its proven efficiency has made it a widely acclaimed compound among researchers, and a cornerstone of glycoprotein-related studies. Molecular formula: C24H38O12. Mole weight: 518.55. | |
| (8-Ethoxycarbonyloctyl)-3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-b-D-glucopyranoside | (8-Ethoxycarbonyloctyl)-3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-b-D-glucopyranoside is a versatile compound used in the biomedical industry for various purposes. It can be employed for the synthesis of potential drug candidates targeting specific diseases. With its unique chemical structure, this compound exhibits potential as a therapeutic agent for treating a wide range of diseases, including but not limited to cancer, viral infections, and inflammatory disorders. Its use in drug development holds promise for the advancement of biomedical research and treatment options. Synonyms: Nonanoic acid, 9-[[3,4,6-tri-O-acetyl-2-deoxy-2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-β-D-glucopyranosyl]oxy]-, ethyl ester; Ethyl 9-[[3,4,6-tri-O-acetyl-2-deoxy-2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-β-D-glucopyranosyl]oxy]nonanoate. CAS No. 106445-23-2. Molecular formula: C31H41NO12. Mole weight: 619.66. | |
| (8R,11R,12R,16RS)-Misoprostol-d5 | (8R,11R,12R,16RS)-Misoprostol-d5 is the labelled Misoprostol, a cytoprotective prostaglandin PGE1 analogue. Synonyms: (11α,13E)-11,16-Dihydroxy-16-methyl-9-oxoprost-13-en-1-oic Acid-d5 Methyl Ester; Cytotec-d5; Misogon-d5; Misoprostil-d5; SC 29333-d5. Grade: > 95%. Molecular formula: C22H33O5D5. Mole weight: 387.56. | |
| (8R,9S,10R,13S,14S)-10,13-Dimethyl-7,8,9,11,12,13,15,16-octahydro-10H-cyclopenta[a]phenanthrene-3,6,17(14H)-trione | A metabolite of Exemestane. Exemestaneis a third generation, irreversible steroidal aromatase inhibitor that induces aromatase degradation leading to a decrease in estrogen levels in plasma. Uses: A derivative of exemestane (e957000), a new aromatase inhibitor. Synonyms: (8R,9S,10R,13S,14S)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,6,17-trione; (8R,9S,10R,13S,14S)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,6,17-trione. Grade: > 95 %. CAS No. 72648-46-5. Molecular formula: C19H22O3. Mole weight: 298.38. | |
| (8S,10S)-10-((tert-Butyldimethylsilyl)oxy)-6,8,11-trihydroxy-8-(1-hydroxyethyl)-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione | (8S,10S)-10-((tert-Butyldimethylsilyl)oxy)-6,8,11-trihydroxy-8-(1-hydroxyethyl)-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione is a protected derivative of Dihydrodaunomycinone, which is an impurity of Daunorubicin. Daunorubicin is an anthracycline antibiotic used in the treatment of acute myeloid and lymphocytic leukemia, with adverse reactions such as cardiotoxicity and bone marrow suppression. Synonyms: (7S,9S)-7-[tert-butyl(dimethyl)silyl]oxy-6,9,11-trihydroxy-9-(1-hydroxyethyl)-4-methoxy-8,10-dihydro-7H-tetracene-5,12-dione; (8S,10S)-10-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}-6,8,11-trihydroxy-8-(1-hydroxyethyl)-1-methoxy-7,8,9,10-tetrahydro-5,12-tetracendione. Molecular formula: C27H34O8Si. Mole weight: 514.64. | |
| (8S,10S)-8-Acetyl-6,8,11-trihydroxy-1-methoxy-10-((tetrahydro-2H-pyran-2-yl)oxy)-7,8,9,10-tetrahydrotetracene-5,12-dione | (8S,10S)-8-Acetyl-6,8,11-trihydroxy-1-methoxy-10-((tetrahydro-2H-pyran-2-yl)oxy)-7,8,9,10-tetrahydrotetracene-5,12-dione is an impurity of Daunorubicin, which is an anthracycline antibiotic used in the treatment of acute myeloid and lymphocytic leukemia, with adverse reactions such as cardiotoxicity and bone marrow suppression. Synonyms: (7S,9S)-9-acetyl-6,9,11-trihydroxy-4-methoxy-7-tetrahydropyran-2-yloxy-8,10-dihydro-7H-tetracene-5,12-dione; (8S,10S)-8-Acetyl-6,8,11-trihydroxy-1-methoxy-10-(tetrahydro-2H-pyran-2-yloxy)-7,8,9,10-tetrahydro-5,12-tetracendione. Grade: ≥95%. Molecular formula: C26H26O9. Mole weight: 482.48. | |
| (8S,9S,10R,11S,13S,14S,16R,17S)-17-(2-((tert-Butyldimethylsilyl)oxy)acetyl)-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-16-yl Butyrate | (8S,9S,10R,11S,13S,14S,16R,17S)-17-(2-((tert-Butyldimethylsilyl)oxy)acetyl)-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-16-yl Butyrate is an intermediate of 16α-Butyloxyprednisolone. Synonyms: (11β,16α)-21-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}-11,17-dihydroxy-3,20-dioxopregna-1,4-dien-16-yl butyrate; Butanoic acid, (11β,16α)-21-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-11,17-dihydroxy-3,20-dioxopregna-1,4-dien-16-yl ester. Molecular formula: C31H48O7Si. Mole weight: 560.79. | |
| (8S,9S,10R,13S,14S)-17-(2,2-Dihydroxyacetyl)-11-hydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one | (8S,9S,10R,13S,14S)-17-(2,2-Dihydroxyacetyl)-11-hydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one is an impurity of Prednisolone, which is a synthetic glucocorticoid, a derivative of cortisol, and can be used to treat a variety of inflammatory and auto-immune conditions. Synonyms: 16,17-Dehydro-21-hydroxy-prednisolone. Molecular formula: C21H26O5. Mole weight: 358.43. | |
| (8S-cis)-8-Acetyl-10-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-5,12-naphthacenedione | (8S-cis)-8-Acetyl-10-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-5,12-naphthacenedione is a tert-butyldiphenylsilyl protected degredation product of Doxorubicin, an anthracycline antibiotic related to the rhodomycins. Synonyms: 5,12-Naphthacenedione, 8-acetyl-10-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, (8S-cis)-; (8S,10S)-8-Acetyl-10-{[dimethyl(2-methyl-2-propanyl)silyl]oxy}-6,8,11-trihydroxy-1-methoxy-7,8,9,10-tetrahydro-5,12-tetracenedione. Grade: >95%. CAS No. 111248-01-2. Molecular formula: C27H32O8Si. Mole weight: 512.62. | |
| (9b,11b,16a)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione | (9b,11b,16a)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione is an impurity of Desoximetasone, which is a synthetic corticosteroid used as an anti-inflammatory and anti-pruritic agent. Synonyms: 9β,11β Epoxy Desoximetasone; Desoximetasone 17-desoxi-oxido Impurity; (9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione. Grade: 95%. CAS No. 151265-33-7. Molecular formula: C22H28O4. Mole weight: 356.46. | |
| (9β,11β,16α)-9,11-Epoxy-1,21-dihydroxy-4,16-dimethyl-19-norpregna-1,3,5(10)-trien-20-one | (9β,11β,16α)-9,11-Epoxy-1,21-dihydroxy-4,16-dimethyl-19-norpregna-1,3,5(10)-trien-20-one is the impurity of Dexamethasone, which is a glucocorticoid used as an anti-inflammatory agent. Dexamethasone regulates T cell survival, growth, and differentiation, it inhibits the induction of nitric oxide synthase. Synonyms: 2-Hydroxy-1-((4bS,5aS,6aS,7S,8R,9aS,9bS)-4-hydroxy-1,6a,8-trimethyl-5a,6,6a,7,8,9,9a,9b,10,11-decahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethanone; Dexamethasone Impurity; Dexamethasone Impurity S. CAS No. 916347-23-4. Molecular formula: C22H28O4. Mole weight: 356.45. | |
| (9-cis,13-cis)-12-Carboxy Retinoic Acid | (9-cis,13-cis)-12-Carboxy Retinoic Acid is an intermediate in the synthesis of 9-cis,13-cis-Retinol, which is a metabolite of vitamin A. Synonyms: 9Z,11E,13Z-12-carboxyretinoic acid; (9-cis,13-cis)-12-Carboxyretinoic acid; NSC 21536; (2Z,4Z)-3-methyl-4-((2Z,4E)-3-methyl-5-(2,6,6-trimethylcyclohex-1-en-1-yl)penta-2,4-dien-1-ylidene)pent-2-enedioic acid. Grade: ≥95%. CAS No. 99394-38-4. Molecular formula: C21H28O4. Mole weight: 344.44. | |
| (9-cis,13-cis)-Retinoic Acid Ethyl Ester | (9-cis,13-cis)-Retinoic Acid Ethyl Ester is a derivative of 9-cis,13-cis-Retinol, which is a metabolite of vitamin A. Synonyms: 9,13-Di-cis-retinoic Acid Ethyl Ester; Ethyl 9,13-Di-cis-retinoate. CAS No. 86708-68-1. Molecular formula: C22H32O2. Mole weight: 328.49. | |
| (9-cis,13-cis)-Retinoic Acid Methyl Ester | (9-cis,13-cis)-Retinoic Acid Methyl Ester is a derivative of 9-cis,13-cis-Retinol, which is a metabolite of vitamin A. Synonyms: 9,13-Di-cis-retinoic Acid Methyl Ester; Methyl 9,13-Di-cis-retinoate. CAS No. 68070-33-7. Molecular formula: C21H30O2. Mole weight: 314.46. | |
| [9-D-Leucine]calcitonin (salmon) | An impurity of Calcitonin (salmon). Calcitonin (salmon) is a synthetic form of the hormone calcitonin, derived from salmon. It is a potent 32-amino acid peptide used primarily to manage bone health and calcium regulation. Calcitonin (salmon) is used to treat conditions such as postmenopausal osteoporosis, Paget's disease, and hypercalcemia. Synonyms: Cys-Ser-Asn-Leu-Ser-Thr-Cys-Val-D-Leu-Gly-Lys-Leu-Ser-Gln-Glu-Leu-His-Lys-Leu-Gln-Thr-Tyr-Pro-Arg-Thr-Asn-Thr-Gly-Ser-Gly-Thr-Pro-NH2(Cys1&Cys7 bridge); Calcitonin (salmon) EP Impurity B; CSNLSTCV-DLeu-GKLSQELHKLQTYPRTNTGSGTP-NH2(Cys1&Cys7 bridge); 9-D-leucine-Calcitonin Salmon; (9-D-Leu) Calcitonin (Salmon); [D-Leu]9-Calcitonin Salmon; [D-Leu9]-Calcitonin Salmon; L-Cysteinyl-L-seryl-L-asparagyl-L-leucyl-L-seryl-L-threonyl-L-cysteinyl-L-valyl-D-leucyl-glycyl-L-lysyl-L-leucyl-L-seryl-L-glutaminyl-L-alpha-glutamyl-L-leucyl-L-histidyl-L-lysyl-L-leucyl-L-glutaminyl-L-threonyl-L-tyrosyl-L-prolyl-L-arginyl-L-threonyl-L-asparagyl-L-threonyl-glycyl-L-seryl-glycyl-L-threonyl-L-prolinamide (1->7)-disulfide; CSNLSTCV-DLeu-GKLSQELHKLQTYPRTNTGSGTP-NH2(Cys1&Cys7 bridge); Calcitonin Salmon EP Impurity B. Grade: ≥95%. Molecular formula: C145H240N44O48S2. Mole weight: 3431.86. | |
| (9E)-Erythromycin 9-[O-[[(2-Methoxyethoxy)methoxy]methyl]oxime] | (9E)-Erythromycin 9-[O-[[(2-Methoxyethoxy)methoxy]methyl]oxime] is a derivative of Erythromycin, a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 55S ribosomal subunit, blocking the progression of nascent polypeptide chains. Uses: Roxithromycin impurity g, a roxithromycin. Synonyms: Erythromycin 9-(E)-[O-[[(2-Methoxyethoxy)methoxy]methyl]oxime]; Erythromycin, 9-[O-[[(2-methoxyethoxy)methoxy]methyl]oxime], (9E)-; Roxithromycin EP Impurity G. Grade: 95%. CAS No. 425365-64-6. Molecular formula: C42H78N2O16. Mole weight: 867.07. | |
| (9E)-Erythromycin A oxime | (9E)-Erythromycin A oxime is a derivative of erythromycin A, where the ketone group at the C9 position of the lactone ring is converted to an oxime group (-C=NOH) in the (E)-configuration. This structural modification can enhance the compound's chemical stability and resistance to acid degradation, which is beneficial for oral bioavailability. Like erythromycin, this oxime derivative retains the ability to inhibit bacterial protein synthesis by binding to the 50S ribosomal subunit, exhibiting bacteriostatic activity. It may be investigated for improved pharmacokinetic properties or as an intermediate in the synthesis of macrolide derivatives for combating bacterial resistance. Synonyms: Erythromycin A oxime; (E)-Erythromycin A oxime; (E)-Erythromycin oxime; Erythromycin, 9-oxime, (9E)-; (9E)-Erythromycin, 9-oxime; (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(hydroxyimino)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one. Grade: ≥95%. CAS No. 111321-02-9. Molecular formula: C37H68N2O13. Mole weight: 748.95. | |
| [9-Glycine]desmopressin | An impurity of Desmopressin. Desmopressin is a synthetic analogue of the hormone vasopressin, used to treat conditions such as central diabetes insipidus, nocturnal enuresis (bedwetting), and certain bleeding disorders like hemophilia A and von Willebrand disease. Synonyms: Mpr-Tyr-Phe-Gln-Asn-Cys-Pro-DArg-Gly(Mpr and Cys bridge); Mpr-YFQNCP-DArg-G(Mpr and Cys bridge); 1-(3-Mercaptopropanoic acid)-8-D-arginine-9-glycine-vasopressin; Glycine, N-(3-mercapto-1-oxopropyl)-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparaginyl-L-cysteinyl-L-prolyl-D-arginyl-, cyclic (1→5)-disulfide; Desmopressin EP Impurity C (9-Glycine); [Gly9-OH]-Desmopressin; Desmopressin EP Impurity C; deamino-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-D-Arg-Gly-OH (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-D-arginyl-glycine (1->6)-disulfide; 9-Gly Desmopressin; Gly9-OH-Desmopressin; Mpa-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparginyl-L-cysteinyl-L-prolyl-D-arginyl-glycinamide] (disulphide bridges between Mpa1-Cys6); Desmopressin-Acid. Grade: ≥95%. CAS No. 160848-60-2. Molecular formula: C46H63N13O13S2. Mole weight: 1070.21. | |
| (9R,10R)-9-(S-Glutathionyl)-10-Hydroxy-9,10-Dihydrophenanthrene | (9R,10R)-9-(S-Glutathionyl)-10-Hydroxy-9,10-Dihydrophenanthrene is a vital compound used in compound for its antioxidant properties. It plays a crucial role in studying oxidative stress-related diseases and conditions. It acts by neutralizing harmful free radicals and protecting cells from damage. Synonyms: (2S)-2-amino-5-[[(2R)-1-(carboxymethylamino)-3-[[(9R,10R)-10-hydroxy-9,10-dihydrophenanthren-9-yl]sulfanyl]-1-oxopropan-2-yl]amino]-5-oxopentanoic acid. Molecular formula: C24H27N3O7S. Mole weight: 501.6. | |
| (9S)-9-Deoxo-9-(propylamino)erythromycin | (9S)-9-Deoxo-9-(propylamino)erythromycin is a derivative of Erythromycin, a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 55S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Erythromycin, 9-deoxo-9-(propylamino)-, (9S)-; 9-N-(1-propyl)erythromyclamine; LY 281389; (3R,4S,5S,6R,7R,9R,10S,11S,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-10-(propylamino)oxacyclotetradecan-2-one. Grade: 95%. CAS No. 119904-03-9. Molecular formula: C40H76N2O12. Mole weight: 777.04. | |
| (9Z)-17-[(2-O-β-D-Glucopyranosyl-β-D-glucopyranosyl)oxy]-9-octadecenoic acid | (9Z)-17-[(2-O-β-D-Glucopyranosyl-β-D-glucopyranosyl)oxy]-9-octadecenoic acid is a biomedical compound used in the research of various microbial infections and biofilm-related diseases. Derived from sophorolipids, it exhibits potent antimicrobial properties in research of a wide range of pathogens. Synonyms: 17-L-[(2'-O-β-D-Glucopyranosyl-β-D-glucopyranosyl)oxy]-cis-9-octadecenoic acid; 9-Octadecenoic acid, 17-[(2-O-β-D-glucopyranosyl-β-D-glucopyranosyl)oxy]-, (9Z)-; Acidic Sophorolipids non-acetylated; 17-Hydroxyoleic acid 17-O-sophoroside; (9Z)-17-Hydroxyoctadec-9-enoic acid 17-O-sophoroside; 17-Hydroxyoleic acid 17-O-beta-D-glucosyl-(1->2)-beta-D-glucoside. CAS No. 328569-86-4. Molecular formula: C30H54O13. Mole weight: 622.74. | |
| [Ac-D-Phe1,D-Cys7]-Octreotide | An impurity of Octreotide. Octreotide is a synthetic long-acting cyclic octapeptide that inhibits growth hormone, glucagon and insulin more effectively than somatostatin. Synonyms: Ac-DPhe-Cys-Phe-DTrp-Lys-Thr-DCys-Thr-ol(Cys2&Cys7 bridge); Ac-DPhe-CF-DTrp-KT-DCys-Thr-ol(Cys2&Cys7 bridge); Ac-D-Phenylalanyl-L-cystyl-L-phenylalanyl-D-tryptophyl-L-lysyl-L-threonyl-D-cystyl-L-threoninol (Disulfide Bridge between Cys2-Cys7); N-Acetyl-D-phenylalanyl-L-cysteinyl-L-phenylalanyl-D-tryptophyl-L-lysyl-L-threonyl-N-[(1R,2R)-2-hydroxy-1-(hydroxymethyl)propyl]-D-cysteinamide cyclic (2→7)-disulfide; [D-Phe1(Ac),D-Cys7]-Octreotide; Ac-D-Phe-Cys-Phe-D-Trp-Lys-Thr-D-Cys-Thr-ol (Disulfide bridge: Cys2-Cys7). Grade: ≥95%. Molecular formula: C51H68N10O11S2. Mole weight: 1061.28. | |
| [Ala11,D-Leu15]-Orexin B | [Ala11,D-Leu15]-Orexin B is a selective OX2 receptor agonist with EC50 values are 0.13nM for human OX2. Grade: ≥95% by HPLC. CAS No. 532932-99-3. Molecular formula: C120H206N44O35S. Mole weight: 2857.28. | |
| [Ala17]-MCH | [Ala17]-MCH is a melanin-concentrating hormone receptor agonist with EC50 values of 17 and 54 nM at MCH1 and MCH2 receptors. Grade: ≥95% by HPLC. CAS No. 359784-84-2. Molecular formula: C97H155N29O26S4. Mole weight: 2271.71. | |
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